diff --git a/CLTool/src/compare.cpp b/CLTool/src/compare.cpp
index 93e1a8d..46c91db 100644
--- a/CLTool/src/compare.cpp
+++ b/CLTool/src/compare.cpp
@@ -77,8 +77,8 @@ int main(int argc, char **argv) {
     return 1;
   }
 
-  FasTC::Image<> img1(*img1f.GetImage());
-  FasTC::Image<> img2(*img2f.GetImage());
+  FasTC::Image<> &img1 = *img1f.GetImage();
+  FasTC::Image<> &img2 = *img2f.GetImage();
 
   double PSNR = img1.ComputePSNR(&img2);
   if(PSNR > 0.0) {